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Monthly weather forecast in Chicago
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
8
+22
+19
8 September, sun
+22
+19
Feels like
+22
746 mmHg
70%
5.3
m/s
E
+20
8 September, Sunday. day, 22°; night, 19°; partly cloudy
9
+22
+19
9 September, mon
+22
+19
Feels like
+22
746 mmHg
66%
5.9
m/s
SE
+20
9 September, Monday. day, 22°; night, 19°; clear
10
+22
+19
10 September, tue
+22
+19
Feels like
+21
747 mmHg
64%
5.3
m/s
E
+20
10 September, Tuesday. day, 22°; night, 19°; partly cloudy
11
+23
+18
11 September, wed
+23
+18
Feels like
+21
747 mmHg
61%
5.9
m/s
NW
+20
11 September, Wednesday. day, 23°; night, 18°; clear
12
September
+27
+20
12 September, thu
+27
+20
Feels like
+24
748 mmHg
63%
5.3
m/s
NE
+23
Climate normal
+21
+18
12 September, Thursday. day, 27°; night, 20°; partly cloudy
13
+26
+20
13 September, fri
+26
+20
Feels like
+23
748 mmHg
60%
5.6
m/s
E
+22
Climate normal
+22
+18
13 September, Friday. day, 26°; night, 20°; overcast
14
+27
+20
14 September, sat
+27
+20
Feels like
+24
748 mmHg
64%
4.9
m/s
NE
+24
Climate normal
+21
+18
14 September, Saturday. day, 27°; night, 20°; partly cloudy
15
+28
+20
15 September, sun
+28
+20
Feels like
+25
749 mmHg
58%
4.6
m/s
SE
+24
Climate normal
+20
+18
15 September, Sunday. day, 28°; night, 20°; overcast
16
+28
+20
16 September, mon
+28
+20
Feels like
+25
750 mmHg
53%
4.4
m/s
E
+24
Climate normal
+22
+17
16 September, Monday. day, 28°; night, 20°; partly cloudy
17
+27
+19
17 September, tue
+27
+19
Feels like
+22
748 mmHg
55%
4.7
m/s
E
+24
Climate normal
+22
+18
17 September, Tuesday. day, 27°; night, 19°; mostly clear
18
+27
+19
18 September, wed
+27
+19
Feels like
+22
746 mmHg
57%
5.2
m/s
E
+24
Climate normal
+21
+18
18 September, Wednesday. day, 27°; night, 19°; clear
19
+26
+20
19 September, thu
+26
+20
Feels like
+23
746 mmHg
64%
4.1
m/s
E
+25
Climate normal
+24
+18
19 September, Thursday. day, 26°; night, 20°; light rain
20
+26
+20
20 September, fri
+26
+20
Feels like
+23
745 mmHg
69%
4.9
m/s
SE
+24
Climate normal
+23
+20
20 September, Friday. day, 26°; night, 20°; partly cloudy
21
+25
+20
21 September, sat
+25
+20
Feels like
+22
745 mmHg
63%
4.7
m/s
E
+26
Climate normal
+22
+18
21 September, Saturday. day, 25°; night, 20°; light rain
22
+24
+18
22 September, sun
+24
+18
Feels like
+20
743 mmHg
70%
6
m/s
SE
Climate normal
+23
+18
22 September, Sunday. day, 24°; night, 18°; light rain
23
+25
+19
23 September, mon
+25
+19
Feels like
+20
746 mmHg
70%
5.4
m/s
S
Climate normal
+21
+19
23 September, Monday. day, 25°; night, 19°; partly cloudy
24
+25
+15
24 September, tue
+25
+15
Feels like
+18
746 mmHg
66%
6
m/s
NW
Climate normal
+21
+18
24 September, Tuesday. day, 25°; night, 15°; partly cloudy
25
+22
+18
25 September, wed
+22
+18
Feels like
+17
741 mmHg
80%
3.7
m/s
SW
Climate normal
+21
+18
25 September, Wednesday. day, 22°; night, 18°; mostly clear
26
+27
+21
26 September, thu
+27
+21
Feels like
+22
741 mmHg
70%
4.4
m/s
S
Climate normal
+20
+17
26 September, Thursday. day, 27°; night, 21°; mostly clear
27
+27
+21
27 September, fri
+27
+21
Feels like
+21
740 mmHg
61%
4.8
m/s
S
Climate normal
+20
+16
27 September, Friday. day, 27°; night, 21°; partly cloudy
28
+26
+21
28 September, sat
+26
+21
Feels like
+22
739 mmHg
60%
4
m/s
SE
Climate normal
+18
+17
28 September, Saturday. day, 26°; night, 21°; partly cloudy
29
+23
+11
29 September, sun
+23
+11
Feels like
+16
740 mmHg
83%
6.7
m/s
NW
Climate normal
+17
+15
29 September, Sunday. day, 23°; night, 11°; light rain
30
+16
+9
30 September, mon
+16
+9
Feels like
+8
741 mmHg
57%
5.1
m/s
NW
Climate normal
+17
+14
30 September, Monday. day, 16°; night, 9°; clear
1 October
+15
+8
1 October, tue
+15
+8
Feels like
+6
738 mmHg
66%
5
m/s
W
Climate normal
+17
+14
1 October, Tuesday. day, 15°; night, 8°; clear
2
+15
+8
2 October, wed
+15
+8
Feels like
+8
742 mmHg
71%
2.5
m/s
NW
Climate normal
+17
+14
2 October, Wednesday. day, 15°; night, 8°; clear
3
+16
+7
3 October, thu
+16
+7
Feels like
+9
747 mmHg
70%
2.8
m/s
NE
Climate normal
+16
+14
3 October, Thursday. day, 16°; night, 7°; partly cloudy
4
+16
+13
4 October, fri
+16
+13
Feels like
+8
750 mmHg
69%
2.5
m/s
E
Climate normal
+19
+14
4 October, Friday. day, 16°; night, 13°; mostly clear
5
+15
+8
5 October, sat
+15
+8
Feels like
+11
746 mmHg
69%
3.8
m/s
NW
Climate normal
+18
+15
5 October, Saturday. day, 15°; night, 8°; light rain
6
+17
+12
6 October, sun
+17
+12
Feels like
+10
747 mmHg
69%
2
m/s
SE
Climate normal
+19
+14
6 October, Sunday. day, 17°; night, 12°; mostly clear
7
+19
+10
7 October, mon
+19
+10
Feels like
+11
741 mmHg
73%
8.1
m/s
SW
Climate normal
+19
+15
7 October, Monday. day, 19°; night, 10°; rain
8
+16
+10
8 October, tue
+16
+10
Feels like
+6
742 mmHg
56%
7.7
m/s
W
Climate normal
+18
+15
8 October, Tuesday. day, 16°; night, 10°; mostly clear
9
+15
+13
9 October, wed
+15
+13
Feels like
+7
743 mmHg
63%
3.3
m/s
W
Climate normal
+18
+14
9 October, Wednesday. day, 15°; night, 13°; clear
10
+19
+12
10 October, thu
+19
+12
Feels like
+12
740 mmHg
60%
3.6
m/s
NW
Climate normal
+17
+13
10 October, Thursday. day, 19°; night, 12°; light rain
11
+13
+10
11 October, fri
+13
+10
Feels like
+7
746 mmHg
81%
4.8
m/s
N
Climate normal
+19
+14
11 October, Friday. day, 13°; night, 10°; rain
Average data for 10 years
Next, the average data for 10 years
12
+17
+15
12 October, sat
+17
+15
Feels like
+14
747 mmHg
68%
5.6
m/s
NE
+15
12 October, Saturday. day, 17°; night, 15°; clear
Average for 30 days
11
sunny days
8
days with precipitation
11
cloudy days
11 sunny days; 8 days with precipitation; 11 cloudy days;
66
%
air humidity
4.7
m/s
Wind
E
4
mm of precipitation
(1% of annual average)
+24
°C
Water temperature
air humidity 66%; 4 millimeters of precipitation (1% of annual average); Wind easterly 4.7 Meters per second; Water temperature +24°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
E
NE
SE
E
E
E
E
SE
E
SE
S
NW
SW
S
S
SE
NW
NW
W
NW
NE
E
NW
SE
SW
W
W
NW
N
12
Average data for 10 years
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
Daytime temperature
Night-time temperature
